Finding the Third Proportional to 9,079,907,528 and 12,780,938,847

Step by Step Solution

1. Step 1: Write the proportion equation
   9,079,907,528 : 12,780,938,847 = 12,780,938,847 : x
2. Step 2: Convert to fraction form
   9,079,907,528/12,780,938,847 = 12,780,938,847/x
3. Step 3: Cross multiply
   9,079,907,528x = 12,780,938,847 × 12,780,938,847
4. Step 4: Simplify right side
   9,079,907,528x = 163,352,397,810,753,699,840
5. Step 5: Solve for x
   x = 163,352,397,810,753,699,840/9,079,907,528
6. Step 6: Final answer
   x = 17,990,535,399.95